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. 2021 Feb 16;37(1):137–147. doi: 10.1007/s00455-021-10257-9

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© The Author(s) 2021

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Fig. 3 — Correlation between FOIS-It and YPRSRS Pyriform sinus worst score. The line of best fit with 95% confidence interval is displayed. The legend reports the number of patients corresponding to each dot dimension